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php-src/Zend/zend.c

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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2010 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "zend.h"
#include "zend_extensions.h"
#include "zend_modules.h"
#include "zend_constants.h"
#include "zend_list.h"
#include "zend_API.h"
#include "zend_exceptions.h"
#include "zend_builtin_functions.h"
#include "zend_ini.h"
#include "zend_vm.h"
#include "zend_dtrace.h"
#ifdef ZTS
# define GLOBAL_FUNCTION_TABLE global_function_table
# define GLOBAL_CLASS_TABLE global_class_table
# define GLOBAL_CONSTANTS_TABLE global_constants_table
# define GLOBAL_AUTO_GLOBALS_TABLE global_auto_globals_table
#else
# define GLOBAL_FUNCTION_TABLE CG(function_table)
# define GLOBAL_CLASS_TABLE CG(class_table)
# define GLOBAL_AUTO_GLOBALS_TABLE CG(auto_globals)
# define GLOBAL_CONSTANTS_TABLE EG(zend_constants)
#endif
#if defined(ZEND_WIN32) && ZEND_DEBUG
BOOL WINAPI IsDebuggerPresent(VOID);
#endif
/* true multithread-shared globals */
ZEND_API zend_class_entry *zend_standard_class_def = NULL;
ZEND_API int (*zend_printf)(const char *format, ...);
ZEND_API zend_write_func_t zend_write;
ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path TSRMLS_DC);
ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
ZEND_API void (*zend_block_interruptions)(void);
ZEND_API void (*zend_unblock_interruptions)(void);
ZEND_API void (*zend_ticks_function)(int ticks);
ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args);
int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC);
ZEND_API char *(*zend_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
void (*zend_on_timeout)(int seconds TSRMLS_DC);
static void (*zend_message_dispatcher_p)(long message, void *data TSRMLS_DC);
static int (*zend_get_configuration_directive_p)(const char *name, uint name_length, zval *contents);
static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
{
if (!new_value) {
EG(error_reporting) = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED;
} else {
EG(error_reporting) = atoi(new_value);
}
return SUCCESS;
}
/* }}} */
static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */
{
OnUpdateBool(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
if (GC_G(gc_enabled)) {
gc_init(TSRMLS_C);
}
return SUCCESS;
}
/* }}} */
ZEND_INI_BEGIN()
ZEND_INI_ENTRY("error_reporting", NULL, ZEND_INI_ALL, OnUpdateErrorReporting)
STD_ZEND_INI_BOOLEAN("zend.enable_gc", "1", ZEND_INI_ALL, OnUpdateGCEnabled, gc_enabled, zend_gc_globals, gc_globals)
#ifdef ZEND_MULTIBYTE
STD_ZEND_INI_BOOLEAN("detect_unicode", "1", ZEND_INI_ALL, OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals)
#endif
ZEND_INI_END()
#ifdef ZTS
ZEND_API int compiler_globals_id;
ZEND_API int executor_globals_id;
static HashTable *global_function_table = NULL;
static HashTable *global_class_table = NULL;
static HashTable *global_constants_table = NULL;
static HashTable *global_auto_globals_table = NULL;
static HashTable *global_persistent_list = NULL;
#endif
ZEND_API zend_utility_values zend_uv;
ZEND_API zval zval_used_for_init; /* True global variable */
/* version information */
static char *zend_version_info;
static uint zend_version_info_length;
#define ZEND_CORE_VERSION_INFO "Zend Engine v" ZEND_VERSION ", Copyright (c) 1998-2010 Zend Technologies\n"
#define PRINT_ZVAL_INDENT 4
static void print_hash(zend_write_func_t write_func, HashTable *ht, int indent, zend_bool is_object TSRMLS_DC) /* {{{ */
{
zval **tmp;
char *string_key;
HashPosition iterator;
ulong num_key;
uint str_len;
int i;
for (i = 0; i < indent; i++) {
ZEND_PUTS_EX(" ");
}
ZEND_PUTS_EX("(\n");
indent += PRINT_ZVAL_INDENT;
zend_hash_internal_pointer_reset_ex(ht, &iterator);
while (zend_hash_get_current_data_ex(ht, (void **) &tmp, &iterator) == SUCCESS) {
for (i = 0; i < indent; i++) {
ZEND_PUTS_EX(" ");
}
ZEND_PUTS_EX("[");
switch (zend_hash_get_current_key_ex(ht, &string_key, &str_len, &num_key, 0, &iterator)) {
case HASH_KEY_IS_STRING:
if (is_object) {
char *prop_name, *class_name;
int mangled = zend_unmangle_property_name(string_key, str_len - 1, &class_name, &prop_name);
ZEND_PUTS_EX(prop_name);
if (class_name && mangled == SUCCESS) {
if (class_name[0]=='*') {
ZEND_PUTS_EX(":protected");
} else {
ZEND_PUTS_EX(":");
ZEND_PUTS_EX(class_name);
ZEND_PUTS_EX(":private");
}
}
} else {
ZEND_WRITE_EX(string_key, str_len-1);
}
break;
case HASH_KEY_IS_LONG:
{
char key[25];
snprintf(key, sizeof(key), "%ld", num_key);
ZEND_PUTS_EX(key);
}
break;
}
ZEND_PUTS_EX("] => ");
zend_print_zval_r_ex(write_func, *tmp, indent+PRINT_ZVAL_INDENT TSRMLS_CC);
ZEND_PUTS_EX("\n");
zend_hash_move_forward_ex(ht, &iterator);
}
indent -= PRINT_ZVAL_INDENT;
for (i = 0; i < indent; i++) {
ZEND_PUTS_EX(" ");
}
ZEND_PUTS_EX(")\n");
}
/* }}} */
static void print_flat_hash(HashTable *ht TSRMLS_DC) /* {{{ */
{
zval **tmp;
char *string_key;
HashPosition iterator;
ulong num_key;
uint str_len;
int i = 0;
zend_hash_internal_pointer_reset_ex(ht, &iterator);
while (zend_hash_get_current_data_ex(ht, (void **) &tmp, &iterator) == SUCCESS) {
if (i++ > 0) {
ZEND_PUTS(",");
}
ZEND_PUTS("[");
switch (zend_hash_get_current_key_ex(ht, &string_key, &str_len, &num_key, 0, &iterator)) {
case HASH_KEY_IS_STRING:
ZEND_PUTS(string_key);
break;
case HASH_KEY_IS_LONG:
zend_printf("%ld", num_key);
break;
}
ZEND_PUTS("] => ");
zend_print_flat_zval_r(*tmp TSRMLS_CC);
zend_hash_move_forward_ex(ht, &iterator);
}
}
/* }}} */
ZEND_API void zend_make_printable_zval(zval *expr, zval *expr_copy, int *use_copy) /* {{{ */
{
if (Z_TYPE_P(expr)==IS_STRING) {
*use_copy = 0;
return;
}
switch (Z_TYPE_P(expr)) {
case IS_NULL:
Z_STRLEN_P(expr_copy) = 0;
Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
break;
case IS_BOOL:
if (Z_LVAL_P(expr)) {
Z_STRLEN_P(expr_copy) = 1;
Z_STRVAL_P(expr_copy) = estrndup("1", 1);
} else {
Z_STRLEN_P(expr_copy) = 0;
Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
}
break;
case IS_RESOURCE:
Z_STRVAL_P(expr_copy) = (char *) emalloc(sizeof("Resource id #") - 1 + MAX_LENGTH_OF_LONG);
Z_STRLEN_P(expr_copy) = sprintf(Z_STRVAL_P(expr_copy), "Resource id #%ld", Z_LVAL_P(expr));
break;
case IS_ARRAY:
Z_STRLEN_P(expr_copy) = sizeof("Array") - 1;
Z_STRVAL_P(expr_copy) = estrndup("Array", Z_STRLEN_P(expr_copy));
break;
case IS_OBJECT:
{
TSRMLS_FETCH();
if (Z_OBJ_HANDLER_P(expr, cast_object) && Z_OBJ_HANDLER_P(expr, cast_object)(expr, expr_copy, IS_STRING TSRMLS_CC) == SUCCESS) {
break;
}
/* Standard PHP objects */
if (Z_OBJ_HT_P(expr) == &std_object_handlers || !Z_OBJ_HANDLER_P(expr, cast_object)) {
if (zend_std_cast_object_tostring(expr, expr_copy, IS_STRING TSRMLS_CC) == SUCCESS) {
break;
}
}
if (!Z_OBJ_HANDLER_P(expr, cast_object) && Z_OBJ_HANDLER_P(expr, get)) {
zval *z = Z_OBJ_HANDLER_P(expr, get)(expr TSRMLS_CC);
Z_ADDREF_P(z);
if (Z_TYPE_P(z) != IS_OBJECT) {
zend_make_printable_zval(z, expr_copy, use_copy);
if (*use_copy) {
zval_ptr_dtor(&z);
} else {
ZVAL_ZVAL(expr_copy, z, 0, 1);
*use_copy = 1;
}
return;
}
zval_ptr_dtor(&z);
}
zend_error(EG(exception) ? E_ERROR : E_RECOVERABLE_ERROR, "Object of class %s could not be converted to string", Z_OBJCE_P(expr)->name);
Z_STRLEN_P(expr_copy) = 0;
Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
}
break;
case IS_DOUBLE:
*expr_copy = *expr;
zval_copy_ctor(expr_copy);
zend_locale_sprintf_double(expr_copy ZEND_FILE_LINE_CC);
break;
default:
*expr_copy = *expr;
zval_copy_ctor(expr_copy);
convert_to_string(expr_copy);
break;
}
Z_TYPE_P(expr_copy) = IS_STRING;
*use_copy = 1;
}
/* }}} */
ZEND_API int zend_print_zval(zval *expr, int indent) /* {{{ */
{
return zend_print_zval_ex(zend_write, expr, indent);
}
/* }}} */
ZEND_API int zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent) /* {{{ */
{
zval expr_copy;
int use_copy;
zend_make_printable_zval(expr, &expr_copy, &use_copy);
if (use_copy) {
expr = &expr_copy;
}
if (Z_STRLEN_P(expr) == 0) { /* optimize away empty strings */
if (use_copy) {
zval_dtor(expr);
}
return 0;
}
write_func(Z_STRVAL_P(expr), Z_STRLEN_P(expr));
if (use_copy) {
zval_dtor(expr);
}
return Z_STRLEN_P(expr);
}
/* }}} */
ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC) /* {{{ */
{
switch (Z_TYPE_P(expr)) {
case IS_ARRAY:
ZEND_PUTS("Array (");
if (++Z_ARRVAL_P(expr)->nApplyCount>1) {
ZEND_PUTS(" *RECURSION*");
Z_ARRVAL_P(expr)->nApplyCount--;
return;
}
print_flat_hash(Z_ARRVAL_P(expr) TSRMLS_CC);
ZEND_PUTS(")");
Z_ARRVAL_P(expr)->nApplyCount--;
break;
case IS_OBJECT:
{
HashTable *properties = NULL;
char *class_name = NULL;
zend_uint clen;
if (Z_OBJ_HANDLER_P(expr, get_class_name)) {
Z_OBJ_HANDLER_P(expr, get_class_name)(expr, &class_name, &clen, 0 TSRMLS_CC);
}
if (class_name) {
zend_printf("%s Object (", class_name);
} else {
zend_printf("%s Object (", "Unknown Class");
}
if (class_name) {
efree(class_name);
}
if (Z_OBJ_HANDLER_P(expr, get_properties)) {
properties = Z_OBJPROP_P(expr);
}
if (properties) {
if (++properties->nApplyCount>1) {
ZEND_PUTS(" *RECURSION*");
properties->nApplyCount--;
return;
}
print_flat_hash(properties TSRMLS_CC);
properties->nApplyCount--;
}
ZEND_PUTS(")");
break;
}
default:
zend_print_variable(expr);
break;
}
}
/* }}} */
ZEND_API void zend_print_zval_r(zval *expr, int indent TSRMLS_DC) /* {{{ */
{
zend_print_zval_r_ex(zend_write, expr, indent TSRMLS_CC);
}
/* }}} */
ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC) /* {{{ */
{
switch (Z_TYPE_P(expr)) {
case IS_ARRAY:
ZEND_PUTS_EX("Array\n");
if (++Z_ARRVAL_P(expr)->nApplyCount>1) {
ZEND_PUTS_EX(" *RECURSION*");
Z_ARRVAL_P(expr)->nApplyCount--;
return;
}
print_hash(write_func, Z_ARRVAL_P(expr), indent, 0 TSRMLS_CC);
Z_ARRVAL_P(expr)->nApplyCount--;
break;
case IS_OBJECT:
{
HashTable *properties;
char *class_name = NULL;
zend_uint clen;
int is_temp;
if (Z_OBJ_HANDLER_P(expr, get_class_name)) {
Z_OBJ_HANDLER_P(expr, get_class_name)(expr, &class_name, &clen, 0 TSRMLS_CC);
}
if (class_name) {
ZEND_PUTS_EX(class_name);
} else {
ZEND_PUTS_EX("Unknown Class");
}
ZEND_PUTS_EX(" Object\n");
if (class_name) {
efree(class_name);
}
if ((properties = Z_OBJDEBUG_P(expr, is_temp)) == NULL) {
break;
}
if (++properties->nApplyCount>1) {
ZEND_PUTS_EX(" *RECURSION*");
properties->nApplyCount--;
return;
}
print_hash(write_func, properties, indent, 1 TSRMLS_CC);
properties->nApplyCount--;
if (is_temp) {
zend_hash_destroy(properties);
efree(properties);
}
break;
}
default:
zend_print_zval_ex(write_func, expr, indent);
break;
}
}
/* }}} */
static FILE *zend_fopen_wrapper(const char *filename, char **opened_path TSRMLS_DC) /* {{{ */
{
if (opened_path) {
*opened_path = estrdup(filename);
}
return fopen(filename, "rb");
}
/* }}} */
#ifdef ZTS
static zend_bool asp_tags_default = 0;
static zend_bool short_tags_default = 1;
static zend_uint compiler_options_default = ZEND_COMPILE_DEFAULT;
#else
# define asp_tags_default 0
# define short_tags_default 1
# define compiler_options_default ZEND_COMPILE_DEFAULT
#endif
static void zend_set_default_compile_time_values(TSRMLS_D) /* {{{ */
{
/* default compile-time values */
CG(asp_tags) = asp_tags_default;
CG(short_tags) = short_tags_default;
CG(compiler_options) = compiler_options_default;
}
/* }}} */
static void zend_init_exception_op(TSRMLS_D) /* {{{ */
{
memset(EG(exception_op), 0, sizeof(EG(exception_op)));
EG(exception_op)[0].opcode = ZEND_HANDLE_EXCEPTION;
EG(exception_op)[0].op1_type = IS_UNUSED;
EG(exception_op)[0].op2_type = IS_UNUSED;
EG(exception_op)[0].result_type = IS_UNUSED;
ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op));
EG(exception_op)[1].opcode = ZEND_HANDLE_EXCEPTION;
EG(exception_op)[1].op1_type = IS_UNUSED;
EG(exception_op)[1].op2_type = IS_UNUSED;
EG(exception_op)[1].result_type = IS_UNUSED;
ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+1);
EG(exception_op)[2].opcode = ZEND_HANDLE_EXCEPTION;
EG(exception_op)[2].op1_type = IS_UNUSED;
EG(exception_op)[2].op2_type = IS_UNUSED;
EG(exception_op)[2].result_type = IS_UNUSED;
ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+2);
}
/* }}} */
#ifdef ZTS
static void compiler_globals_ctor(zend_compiler_globals *compiler_globals TSRMLS_DC) /* {{{ */
{
zend_function tmp_func;
zend_class_entry *tmp_class;
compiler_globals->compiled_filename = NULL;
compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(compiler_globals->function_table, 100, NULL, ZEND_FUNCTION_DTOR, 1, 0);
zend_hash_copy(compiler_globals->function_table, global_function_table, NULL, &tmp_func, sizeof(zend_function));
compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(compiler_globals->class_table, 10, NULL, ZEND_CLASS_DTOR, 1, 0);
zend_hash_copy(compiler_globals->class_table, global_class_table, (copy_ctor_func_t) zend_class_add_ref, &tmp_class, sizeof(zend_class_entry *));
zend_set_default_compile_time_values(TSRMLS_C);
CG(interactive) = 0;
compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(compiler_globals->auto_globals, 8, NULL, NULL, 1, 0);
zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, NULL, NULL, sizeof(zend_auto_global) /* empty element */);
compiler_globals->last_static_member = zend_hash_num_elements(compiler_globals->class_table);
if (compiler_globals->last_static_member) {
compiler_globals->static_members = (HashTable**)calloc(compiler_globals->last_static_member, sizeof(HashTable*));
} else {
compiler_globals->static_members = NULL;
}
}
/* }}} */
static void compiler_globals_dtor(zend_compiler_globals *compiler_globals TSRMLS_DC) /* {{{ */
{
if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) {
zend_hash_destroy(compiler_globals->function_table);
free(compiler_globals->function_table);
}
if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
zend_hash_destroy(compiler_globals->class_table);
free(compiler_globals->class_table);
}
if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) {
zend_hash_destroy(compiler_globals->auto_globals);
free(compiler_globals->auto_globals);
}
if (compiler_globals->static_members) {
free(compiler_globals->static_members);
}
compiler_globals->last_static_member = 0;
}
/* }}} */
static void executor_globals_ctor(zend_executor_globals *executor_globals TSRMLS_DC) /* {{{ */
{
zend_startup_constants(TSRMLS_C);
zend_copy_constants(EG(zend_constants), GLOBAL_CONSTANTS_TABLE);
zend_init_rsrc_plist(TSRMLS_C);
zend_init_exception_op(TSRMLS_C);
EG(lambda_count) = 0;
EG(user_error_handler) = NULL;
EG(user_exception_handler) = NULL;
EG(in_execution) = 0;
EG(in_autoload) = NULL;
EG(current_execute_data) = NULL;
EG(current_module) = NULL;
EG(exit_status) = 0;
EG(saved_fpu_cw) = NULL;
EG(active) = 0;
}
/* }}} */
static void executor_globals_dtor(zend_executor_globals *executor_globals TSRMLS_DC) /* {{{ */
{
zend_ini_shutdown(TSRMLS_C);
if (&executor_globals->persistent_list != global_persistent_list) {
zend_destroy_rsrc_list(&executor_globals->persistent_list TSRMLS_CC);
}
if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) {
zend_hash_destroy(executor_globals->zend_constants);
free(executor_globals->zend_constants);
}
}
/* }}} */
static void zend_new_thread_end_handler(THREAD_T thread_id TSRMLS_DC) /* {{{ */
{
if (zend_copy_ini_directives(TSRMLS_C) == SUCCESS) {
zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP TSRMLS_CC);
}
}
/* }}} */
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
/* FreeBSD and DragonFly floating point precision fix */
#include <floatingpoint.h>
#endif
static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p TSRMLS_DC) /* {{{ */
{
memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
}
/* }}} */
static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p TSRMLS_DC) /* {{{ */
{
memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
}
/* }}} */
void zend_init_opcodes_handlers(void);
int zend_startup(zend_utility_functions *utility_functions, char **extensions TSRMLS_DC) /* {{{ */
{
#ifdef ZTS
zend_compiler_globals *compiler_globals;
zend_executor_globals *executor_globals;
extern ZEND_API ts_rsrc_id ini_scanner_globals_id;
extern ZEND_API ts_rsrc_id language_scanner_globals_id;
#else
extern zend_ini_scanner_globals ini_scanner_globals;
extern zend_php_scanner_globals language_scanner_globals;
#endif
start_memory_manager(TSRMLS_C);
#if defined(__FreeBSD__) || defined(__DragonFly__)
/* FreeBSD and DragonFly floating point precision fix */
fpsetmask(0);
#endif
zend_startup_strtod();
zend_startup_extensions_mechanism();
/* Set up utility functions and values */
zend_error_cb = utility_functions->error_function;
zend_printf = utility_functions->printf_function;
zend_write = (zend_write_func_t) utility_functions->write_function;
zend_fopen = utility_functions->fopen_function;
if (!zend_fopen) {
zend_fopen = zend_fopen_wrapper;
}
zend_stream_open_function = utility_functions->stream_open_function;
zend_message_dispatcher_p = utility_functions->message_handler;
zend_block_interruptions = utility_functions->block_interruptions;
zend_unblock_interruptions = utility_functions->unblock_interruptions;
zend_get_configuration_directive_p = utility_functions->get_configuration_directive;
zend_ticks_function = utility_functions->ticks_function;
zend_on_timeout = utility_functions->on_timeout;
zend_vspprintf = utility_functions->vspprintf_function;
zend_getenv = utility_functions->getenv_function;
zend_resolve_path = utility_functions->resolve_path_function;
#if HAVE_DTRACE
/* build with dtrace support */
zend_compile_file = dtrace_compile_file;
zend_execute = dtrace_execute;
zend_execute_internal = dtrace_execute_internal;
#else
zend_compile_file = compile_file;
zend_execute = execute;
zend_execute_internal = NULL;
#endif /* HAVE_SYS_SDT_H */
zend_compile_string = compile_string;
zend_throw_exception_hook = NULL;
zend_init_opcodes_handlers();
/* set up version */
zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1;
GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(GLOBAL_FUNCTION_TABLE, 100, NULL, ZEND_FUNCTION_DTOR, 1, 0);
zend_hash_init_ex(GLOBAL_CLASS_TABLE, 10, NULL, ZEND_CLASS_DTOR, 1, 0);
zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, (dtor_func_t) zend_auto_global_dtor, 1, 0);
zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 20, NULL, ZEND_CONSTANT_DTOR, 1, 0);
zend_hash_init_ex(&module_registry, 50, NULL, ZEND_MODULE_DTOR, 1, 0);
zend_init_rsrc_list_dtors();
/* This zval can be used to initialize allocate zval's to an uninit'ed value */
Z_UNSET_ISREF(zval_used_for_init);
Z_SET_REFCOUNT(zval_used_for_init, 1);
Z_TYPE(zval_used_for_init) = IS_NULL;
#ifdef ZTS
ts_allocate_id(&compiler_globals_id, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor);
ts_allocate_id(&executor_globals_id, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor);
ts_allocate_id(&language_scanner_globals_id, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL);
ts_allocate_id(&ini_scanner_globals_id, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL);
compiler_globals = ts_resource(compiler_globals_id);
executor_globals = ts_resource(executor_globals_id);
compiler_globals_dtor(compiler_globals TSRMLS_CC);
compiler_globals->in_compilation = 0;
compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
*compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
*compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;
zend_hash_destroy(executor_globals->zend_constants);
*executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE;
#else
ini_scanner_globals_ctor(&ini_scanner_globals TSRMLS_CC);
php_scanner_globals_ctor(&language_scanner_globals TSRMLS_CC);
zend_set_default_compile_time_values(TSRMLS_C);
EG(user_error_handler) = NULL;
EG(user_exception_handler) = NULL;
#endif
zend_interned_strings_init(TSRMLS_C);
zend_startup_builtin_functions(TSRMLS_C);
zend_register_standard_constants(TSRMLS_C);
zend_register_auto_global("GLOBALS", sizeof("GLOBALS") - 1, NULL TSRMLS_CC);
#ifndef ZTS
zend_init_rsrc_plist(TSRMLS_C);
zend_init_exception_op(TSRMLS_C);
#endif
zend_ini_startup(TSRMLS_C);
#ifdef ZTS
tsrm_set_new_thread_end_handler(zend_new_thread_end_handler);
#endif
return SUCCESS;
}
/* }}} */
void zend_register_standard_ini_entries(TSRMLS_D) /* {{{ */
{
int module_number = 0;
REGISTER_INI_ENTRIES();
}
/* }}} */
/* Unlink the global (r/o) copies of the class, function and constant tables,
* and use a fresh r/w copy for the startup thread
*/
void zend_post_startup(TSRMLS_D) /* {{{ */
{
#ifdef ZTS
zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id);
zend_executor_globals *executor_globals = ts_resource(executor_globals_id);
*GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
*GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
*GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants;
asp_tags_default = CG(asp_tags);
short_tags_default = CG(short_tags);
compiler_options_default = CG(compiler_options);
zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC);
free(compiler_globals->function_table);
free(compiler_globals->class_table);
compiler_globals_ctor(compiler_globals, tsrm_ls);
free(EG(zend_constants));
executor_globals_ctor(executor_globals, tsrm_ls);
global_persistent_list = &EG(persistent_list);
zend_copy_ini_directives(TSRMLS_C);
#endif
}
/* }}} */
void zend_shutdown(TSRMLS_D) /* {{{ */
{
#ifdef ZEND_WIN32
zend_shutdown_timeout_thread();
#endif
zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC);
zend_hash_graceful_reverse_destroy(&module_registry);
zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
zend_hash_destroy(GLOBAL_CLASS_TABLE);
zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
free(GLOBAL_AUTO_GLOBALS_TABLE);
zend_shutdown_extensions(TSRMLS_C);
free(zend_version_info);
free(GLOBAL_FUNCTION_TABLE);
free(GLOBAL_CLASS_TABLE);
zend_hash_destroy(GLOBAL_CONSTANTS_TABLE);
free(GLOBAL_CONSTANTS_TABLE);
zend_shutdown_strtod();
#ifdef ZTS
GLOBAL_FUNCTION_TABLE = NULL;
GLOBAL_CLASS_TABLE = NULL;
GLOBAL_AUTO_GLOBALS_TABLE = NULL;
GLOBAL_CONSTANTS_TABLE = NULL;
#endif
zend_destroy_rsrc_list_dtors();
zend_interned_strings_dtor(TSRMLS_C);
}
/* }}} */
void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
{
zend_uv = *utility_values;
zend_uv.import_use_extension_length = strlen(zend_uv.import_use_extension);
}
/* }}} */
/* this should be compatible with the standard zenderror */
void zenderror(const char *error) /* {{{ */
{
zend_error(E_PARSE, "%s", error);
}
/* }}} */
BEGIN_EXTERN_C()
ZEND_API void _zend_bailout(char *filename, uint lineno) /* {{{ */
{
TSRMLS_FETCH();
if (!EG(bailout)) {
zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno);
exit(-1);
}
CG(unclean_shutdown) = 1;
CG(in_compilation) = EG(in_execution) = 0;
EG(current_execute_data) = NULL;
LONGJMP(*EG(bailout), FAILURE);
}
/* }}} */
END_EXTERN_C()
void zend_append_version_info(const zend_extension *extension) /* {{{ */
{
char *new_info;
uint new_info_length;
new_info_length = sizeof(" with v, by \n")
+ strlen(extension->name)
+ strlen(extension->version)
+ strlen(extension->copyright)
+ strlen(extension->author);
new_info = (char *) malloc(new_info_length + 1);
sprintf(new_info, " with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author);
zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1);
strcat(zend_version_info, new_info);
zend_version_info_length += new_info_length;
free(new_info);
}
/* }}} */
ZEND_API char *get_zend_version(void) /* {{{ */
{
return zend_version_info;
}
/* }}} */
void zend_activate(TSRMLS_D) /* {{{ */
{
gc_reset(TSRMLS_C);
init_compiler(TSRMLS_C);
init_executor(TSRMLS_C);
startup_scanner(TSRMLS_C);
}
/* }}} */
void zend_activate_modules(TSRMLS_D) /* {{{ */
{
zend_hash_apply(&module_registry, (apply_func_t) module_registry_request_startup TSRMLS_CC);
}
/* }}} */
void zend_deactivate_modules(TSRMLS_D) /* {{{ */
{
EG(opline_ptr) = NULL; /* we're no longer executing anything */
zend_try {
zend_hash_reverse_apply(&module_registry, (apply_func_t) module_registry_cleanup TSRMLS_CC);
} zend_end_try();
}
/* }}} */
void zend_call_destructors(TSRMLS_D) /* {{{ */
{
zend_try {
shutdown_destructors(TSRMLS_C);
} zend_end_try();
}
/* }}} */
void zend_deactivate(TSRMLS_D) /* {{{ */
{
/* we're no longer executing anything */
EG(opline_ptr) = NULL;
EG(active_symbol_table) = NULL;
zend_try {
shutdown_scanner(TSRMLS_C);
} zend_end_try();
/* shutdown_executor() takes care of its own bailout handling */
shutdown_executor(TSRMLS_C);
zend_try {
shutdown_compiler(TSRMLS_C);
} zend_end_try();
zend_destroy_rsrc_list(&EG(regular_list) TSRMLS_CC);
#ifdef ZEND_DEBUG
if (GC_G(gc_enabled) && !CG(unclean_shutdown)) {
gc_collect_cycles(TSRMLS_C);
}
#endif
#if GC_BENCH
fprintf(stderr, "GC Statistics\n");
fprintf(stderr, "-------------\n");
fprintf(stderr, "Runs: %d\n", GC_G(gc_runs));
fprintf(stderr, "Collected: %d\n", GC_G(collected));
fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length));
fprintf(stderr, "Root buffer peak: %d\n\n", GC_G(root_buf_peak));
fprintf(stderr, " Possible Remove from Marked\n");
fprintf(stderr, " Root Buffered buffer grey\n");
fprintf(stderr, " -------- -------- ----------- ------\n");
fprintf(stderr, "ZVAL %8d %8d %9d %8d\n", GC_G(zval_possible_root), GC_G(zval_buffered), GC_G(zval_remove_from_buffer), GC_G(zval_marked_grey));
fprintf(stderr, "ZOBJ %8d %8d %9d %8d\n", GC_G(zobj_possible_root), GC_G(zobj_buffered), GC_G(zobj_remove_from_buffer), GC_G(zobj_marked_grey));
#endif
zend_try {
zend_ini_deactivate(TSRMLS_C);
} zend_end_try();
}
/* }}} */
static int exec_done_cb(zend_module_entry *module TSRMLS_DC) /* {{{ */
{
if (module->post_deactivate_func) {
module->post_deactivate_func();
}
return 0;
}
/* }}} */
void zend_post_deactivate_modules(TSRMLS_D) /* {{{ */
{
zend_hash_apply(&module_registry, (apply_func_t) exec_done_cb TSRMLS_CC);
zend_hash_reverse_apply(&module_registry, (apply_func_t) module_registry_unload_temp TSRMLS_CC);
}
/* }}} */
BEGIN_EXTERN_C()
ZEND_API void zend_message_dispatcher(long message, void *data TSRMLS_DC) /* {{{ */
{
if (zend_message_dispatcher_p) {
zend_message_dispatcher_p(message, data TSRMLS_CC);
}
}
/* }}} */
END_EXTERN_C()
ZEND_API int zend_get_configuration_directive(const char *name, uint name_length, zval *contents) /* {{{ */
{
if (zend_get_configuration_directive_p) {
return zend_get_configuration_directive_p(name, name_length, contents);
} else {
return FAILURE;
}
}
/* }}} */
ZEND_API void zend_error(int type, const char *format, ...) /* {{{ */
{
va_list args;
va_list usr_copy;
zval ***params;
zval *retval;
zval *z_error_type, *z_error_message, *z_error_filename, *z_error_lineno, *z_context;
char *error_filename;
uint error_lineno;
zval *orig_user_error_handler;
zend_bool in_compilation;
zend_class_entry *saved_class_entry;
TSRMLS_FETCH();
/* Obtain relevant filename and lineno */
switch (type) {
case E_CORE_ERROR:
case E_CORE_WARNING:
error_filename = NULL;
error_lineno = 0;
break;
case E_PARSE:
case E_COMPILE_ERROR:
case E_COMPILE_WARNING:
case E_ERROR:
case E_NOTICE:
case E_STRICT:
case E_DEPRECATED:
case E_WARNING:
case E_USER_ERROR:
case E_USER_WARNING:
case E_USER_NOTICE:
case E_USER_DEPRECATED:
case E_RECOVERABLE_ERROR:
if (zend_is_compiling(TSRMLS_C)) {
error_filename = zend_get_compiled_filename(TSRMLS_C);
error_lineno = zend_get_compiled_lineno(TSRMLS_C);
} else if (zend_is_executing(TSRMLS_C)) {
error_filename = zend_get_executed_filename(TSRMLS_C);
error_lineno = zend_get_executed_lineno(TSRMLS_C);
} else {
error_filename = NULL;
error_lineno = 0;
}
break;
default:
error_filename = NULL;
error_lineno = 0;
break;
}
if (!error_filename) {
error_filename = "Unknown";
}
va_start(args, format);
#ifdef HAVE_DTRACE
if(DTRACE_ERROR_ENABLED()) {
char *dtrace_error_buffer;
zend_vspprintf(&dtrace_error_buffer, 0, format, args);
DTRACE_ERROR(dtrace_error_buffer, error_filename, error_lineno);
efree(dtrace_error_buffer);
}
#endif /* HAVE_DTRACE */
/* if we don't have a user defined error handler */
if (!EG(user_error_handler)
|| !(EG(user_error_handler_error_reporting) & type)
|| EG(error_handling) != EH_NORMAL) {
zend_error_cb(type, error_filename, error_lineno, format, args);
} else switch (type) {
case E_ERROR:
case E_PARSE:
case E_CORE_ERROR:
case E_CORE_WARNING:
case E_COMPILE_ERROR:
case E_COMPILE_WARNING:
/* The error may not be safe to handle in user-space */
zend_error_cb(type, error_filename, error_lineno, format, args);
break;
default:
/* Handle the error in user space */
ALLOC_INIT_ZVAL(z_error_message);
ALLOC_INIT_ZVAL(z_error_type);
ALLOC_INIT_ZVAL(z_error_filename);
ALLOC_INIT_ZVAL(z_error_lineno);
ALLOC_INIT_ZVAL(z_context);
/* va_copy() is __va_copy() in old gcc versions.
* According to the autoconf manual, using
* memcpy(&dst, &src, sizeof(va_list))
* gives maximum portability. */
#ifndef va_copy
# ifdef __va_copy
# define va_copy(dest, src) __va_copy((dest), (src))
# else
# define va_copy(dest, src) memcpy(&(dest), &(src), sizeof(va_list))
# endif
#endif
va_copy(usr_copy, args);
Z_STRLEN_P(z_error_message) = zend_vspprintf(&Z_STRVAL_P(z_error_message), 0, format, usr_copy);
#ifdef va_copy
va_end(usr_copy);
#endif
Z_TYPE_P(z_error_message) = IS_STRING;
Z_LVAL_P(z_error_type) = type;
Z_TYPE_P(z_error_type) = IS_LONG;
if (error_filename) {
ZVAL_STRING(z_error_filename, error_filename, 1);
}
Z_LVAL_P(z_error_lineno) = error_lineno;
Z_TYPE_P(z_error_lineno) = IS_LONG;
if (!EG(active_symbol_table)) {
zend_rebuild_symbol_table(TSRMLS_C);
}
/* during shutdown the symbol table table can be still null */
if (!EG(active_symbol_table)) {
Z_TYPE_P(z_context) = IS_NULL;
} else {
Z_ARRVAL_P(z_context) = EG(active_symbol_table);
Z_TYPE_P(z_context) = IS_ARRAY;
zval_copy_ctor(z_context);
}
params = (zval ***) emalloc(sizeof(zval **)*5);
params[0] = &z_error_type;
params[1] = &z_error_message;
params[2] = &z_error_filename;
params[3] = &z_error_lineno;
params[4] = &z_context;
orig_user_error_handler = EG(user_error_handler);
EG(user_error_handler) = NULL;
/* User error handler may include() additinal PHP files.
* If an error was generated during comilation PHP will compile
* such scripts recursivly, but some CG() variables may be
* inconsistent. */
in_compilation = zend_is_compiling(TSRMLS_C);
if (in_compilation) {
saved_class_entry = CG(active_class_entry);
CG(active_class_entry) = NULL;
}
if (call_user_function_ex(CG(function_table), NULL, orig_user_error_handler, &retval, 5, params, 1, NULL TSRMLS_CC) == SUCCESS) {
if (retval) {
if (Z_TYPE_P(retval) == IS_BOOL && Z_LVAL_P(retval) == 0) {
zend_error_cb(type, error_filename, error_lineno, format, args);
}
zval_ptr_dtor(&retval);
}
} else if (!EG(exception)) {
/* The user error handler failed, use built-in error handler */
zend_error_cb(type, error_filename, error_lineno, format, args);
}
if (in_compilation) {
CG(active_class_entry) = saved_class_entry;
}
if (!EG(user_error_handler)) {
EG(user_error_handler) = orig_user_error_handler;
}
else {
zval_ptr_dtor(&orig_user_error_handler);
}
efree(params);
zval_ptr_dtor(&z_error_message);
zval_ptr_dtor(&z_error_type);
zval_ptr_dtor(&z_error_filename);
zval_ptr_dtor(&z_error_lineno);
zval_ptr_dtor(&z_context);
break;
}
va_end(args);
if (type == E_PARSE) {
EG(exit_status) = 255;
zend_init_compiler_data_structures(TSRMLS_C);
}
}
/* }}} */
#if defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)
void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((alias("zend_error"),noreturn));
#endif
ZEND_API void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) /* {{{ */
{
#if ZEND_DEBUG
va_list args;
va_start(args, format);
# ifdef ZEND_WIN32
{
char output_buf[1024];
vsnprintf(output_buf, 1024, format, args);
OutputDebugString(output_buf);
OutputDebugString("\n");
if (trigger_break && IsDebuggerPresent()) {
DebugBreak();
}
}
# else
vfprintf(stderr, format, args);
fprintf(stderr, "\n");
# endif
va_end(args);
#endif
}
/* }}} */
ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...) /* {{{ */
{
va_list files;
int i;
zend_file_handle *file_handle;
zend_op_array *orig_op_array = EG(active_op_array);
zval **orig_retval_ptr_ptr = EG(return_value_ptr_ptr);
va_start(files, file_count);
for (i = 0; i < file_count; i++) {
file_handle = va_arg(files, zend_file_handle *);
if (!file_handle) {
continue;
}
EG(active_op_array) = zend_compile_file(file_handle, type TSRMLS_CC);
if (file_handle->opened_path) {
int dummy = 1;
zend_hash_add(&EG(included_files), file_handle->opened_path, strlen(file_handle->opened_path) + 1, (void *)&dummy, sizeof(int), NULL);
}
zend_destroy_file_handle(file_handle TSRMLS_CC);
if (EG(active_op_array)) {
EG(return_value_ptr_ptr) = retval ? retval : NULL;
zend_execute(EG(active_op_array) TSRMLS_CC);
zend_exception_restore(TSRMLS_C);
if (EG(exception)) {
if (EG(user_exception_handler)) {
zval *orig_user_exception_handler;
zval **params[1], *retval2, *old_exception;
old_exception = EG(exception);
EG(exception) = NULL;
params[0] = &old_exception;
orig_user_exception_handler = EG(user_exception_handler);
if (call_user_function_ex(CG(function_table), NULL, orig_user_exception_handler, &retval2, 1, params, 1, NULL TSRMLS_CC) == SUCCESS) {
if (retval2 != NULL) {
zval_ptr_dtor(&retval2);
}
if (EG(exception)) {
zval_ptr_dtor(&EG(exception));
EG(exception) = NULL;
}
zval_ptr_dtor(&old_exception);
} else {
EG(exception) = old_exception;
zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
}
} else {
zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
}
}
destroy_op_array(EG(active_op_array) TSRMLS_CC);
efree(EG(active_op_array));
} else if (type==ZEND_REQUIRE) {
va_end(files);
EG(active_op_array) = orig_op_array;
EG(return_value_ptr_ptr) = orig_retval_ptr_ptr;
return FAILURE;
}
}
va_end(files);
EG(active_op_array) = orig_op_array;
EG(return_value_ptr_ptr) = orig_retval_ptr_ptr;
return SUCCESS;
}
/* }}} */
#define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s"
ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC) /* {{{ */
{
char *cur_filename;
int cur_lineno;
char *compiled_string_description;
if (zend_is_compiling(TSRMLS_C)) {
cur_filename = zend_get_compiled_filename(TSRMLS_C);
cur_lineno = zend_get_compiled_lineno(TSRMLS_C);
} else if (zend_is_executing(TSRMLS_C)) {
cur_filename = zend_get_executed_filename(TSRMLS_C);
cur_lineno = zend_get_executed_lineno(TSRMLS_C);
} else {
cur_filename = "Unknown";
cur_lineno = 0;
}
zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
return compiled_string_description;
}
/* }}} */
void free_estring(char **str_p) /* {{{ */
{
efree(*str_p);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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